Home / 28,347,471.39-39,131,602.62-19,060,424.58

Finding the Fourth Proportional to 28,347,471.39, 39,131,602.62 and 19,060,424.58

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Solution

The fourth proportional to 28,347,471.39, 39,131,602.62 and 19,060,424.58 is: 26,311,516.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,347,471.39 : 39,131,602.62 = 19,060,424.58 : x
  2. Step 2: Convert to fraction form
    28,347,471.39/39,131,602.62 = 19,060,424.58/x
  3. Step 3: Cross multiply
    28,347,471.39x = 39,131,602.62 × 19,060,424.58
  4. Step 4: Simplify right side
    28,347,471.39x = 745,864,960,433,040.25
  5. Step 5: Solve for x
    x = 745,864,960,433,040.25/28,347,471.39
  6. Step 6: Final answer
    x = 26,311,516.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.